Tip holder



FIG. 1 is a top, front, left perspective view of a tip holder, showing our new design;

FIG. 2 is another top, front, left perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a left side elevation view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines shown in the drawings represent portions of the tip holder that form no part of the claimed design. 

CLAIM The ornamental design for a tip holder, as shown and described. 